package io.github.dunwu.javacore.control;

/**
 * 分支语句示例
 *
 * @author Zhang Peng
 * @see IfDemo
 * @see IfElseDemo
 * @see IfElseifElseDemo
 * @see IfNestedDemo
 * @see SwitchDemo01
 * @see SwitchDemo02
 * @see SwitchDemo03
 */
public class SwitchDemo01 {

	public static void main(String[] args) {
		int x = 3;
		int y = 6;
		char oper = '+';
		switch (oper) {
			case '+': {
				System.out.println("x + y = " + (x + y));
				break;
			}
			case '-': {
				System.out.println("x - y = " + (x - y));
				break;
			}
			case '*': {
				System.out.println("x * y = " + (x * y));
				break;
			}
			case '/': {
				System.out.println("x / y = " + (x / y));
				break;
			}
			default: {
				System.out.println("未知的操作！");
				break;
			}
		}
	}

};
// output:
// x + y = 9
